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Power ElectronicsSCR

Once a conventional SCR has latched ON, removal of the gate signal normally?

  • ADoes not turn it OFF
  • BImmediately turns it OFF
  • CReverses its anode current
  • DMakes its holding current infinite
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Correct Answer: A. Does not turn it OFF
Explanation: After latching, the gate loses control over turn-off; anode current must be reduced below the holding current or reverse voltage applied.
Reference: Standard power electronics: scr
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